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  1. Proceedings of the 11th International Workshop on Data Management on New Hardware (DaMoN'15)
  2. Beyond the Wall: Near-Data Processing for Databases
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Energy-Efficient In-Memory Data Stores on Hybrid Memory Hierarchies
Beyond the Wall: Near-Data Processing for Databases
Scaling the Memory Power Wall With DRAM-Aware Data Management
NUMA obliviousness through memory mapping
By their fruits shall ye know them: A Data Analyst's Perspective on Massively Parallel System Design
TLB misses: The Missing Issue of Adaptive Radix Tree?
Applying HTM to an OLTP System: No Free Lunch
The Serial Safety Net: Efficient Concurrency Control on Modern Hardware
Efficient Lightweight Compression Alongside Fast Scans
Energy-Efficient Query Processing on Embedded CPU-GPU Architectures
Toward GPUs being mainstream in analytic processing: An initial argument using simple scan-aggregate queries
Ultra-Fast Similarity Search Using Ternary Content Addressable Memory

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Beyond the Wall: Near-Data Processing for Databases

Content Provider ACM Digital Library
Author Idreos, Stratos Athanassoulis, Manos Xi, Sam Likun Babarinsa, Oreoluwa
Abstract The continuous growth of main memory size allows modern data systems to process entire large scale datasets in memory. The increase in memory capacity, however, is not matched by proportional decrease in memory latency, causing a mismatch for in-memory processing. As a result, data movement through the memory hierarchy is now one of the main performance bottlenecks for main memory data systems. Database systems researchers have proposed several innovative solutions to minimize data movement and to make data access patterns hardware-aware. Nevertheless, all relevant rows and columns for a given query have to be moved through the memory hierarchy; hence, movement of large data sets is on the critical path. In this paper, we present JAFAR, a Near-Data Processing (NDP) accelerator for pushing selects down to memory in modern column-stores. JAFAR implements the select operator and allows only qualifying data to travel up the memory hierarchy. Through a detailed simulation of JAFAR hardware we show that it has the potential to provide 9x improvement for selects in column-stores. In addition, we discuss both hardware and software challenges for using NDP in database systems as well as opportunities for further NDP accelerators to boost additional relational operators.
Starting Page 1
Ending Page 10
Page Count 10
File Format PDF
ISBN 9781450336383
DOI 10.1145/2771937.2771945
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2015-05-31
Publisher Place New York
Access Restriction Subscribed
Content Type Text
Resource Type Article
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